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+package com.steerinfo.dil.util;
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+import java.io.*;
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+import java.net.HttpURLConnection;
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+import java.net.URL;
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+import java.util.Map;
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+
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+/**
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+ * @author zx
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+ * @Description:
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+ * @CreateTime 2022/6/23 18:35
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+ * @Version:1.0
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+ */
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+public class getRequestUtils {
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+ /**
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+ * 以post方式调用对方接口方法
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+ * @param pathUrl
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+ */
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+ public static void doPost(String pathUrl, String data){
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+ OutputStreamWriter out = null;
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+ BufferedReader br = null;
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+ String result = "";
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+ try {
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+ URL url = new URL(pathUrl);
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+
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+ //打开和url之间的连接
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+ HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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+
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+ //设定请求的方法为"POST",默认是GET
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+ //post与get的不同之处在于post的参数不是放在URL字串里面,而是放在http请求的正文内。
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+ conn.setRequestMethod("POST");
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+
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+ //设置30秒连接超时
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+ conn.setConnectTimeout(30000);
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+ //设置30秒读取超时
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+ conn.setReadTimeout(30000);
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+
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+ // 设置是否向httpUrlConnection输出,因为这个是post请求,参数要放在http正文内,因此需要设为true, 默认情况下是false;
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+ conn.setDoOutput(true);
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+ // 设置是否从httpUrlConnection读入,默认情况下是true;
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+ conn.setDoInput(true);
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+
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+ // Post请求不能使用缓存
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+ conn.setUseCaches(false);
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+
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+ //设置通用的请求属性
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+ conn.setRequestProperty("accept", "*/*");
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+ conn.setRequestProperty("connection", "Keep-Alive"); //维持长链接
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+ conn.setRequestProperty("Content-Type", "application/json;charset=utf-8");
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+
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+ //连接,从上述url.openConnection()至此的配置必须要在connect之前完成,
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+ conn.connect();
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+
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+ /**
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+ * 下面的三句代码,就是调用第三方http接口
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+ */
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+ //获取URLConnection对象对应的输出流
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+ //此处getOutputStream会隐含的进行connect(即:如同调用上面的connect()方法,所以在开发中不调用上述的connect()也可以)。
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+ out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
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+ //发送请求参数即数据
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+ out.write(data);
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+ //flush输出流的缓冲
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+ out.flush();
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+
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+ /**
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+ * 下面的代码相当于,获取调用第三方http接口后返回的结果
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+ */
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+ //获取URLConnection对象对应的输入流
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+ InputStream is = conn.getInputStream();
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+ //构造一个字符流缓存
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+ br = new BufferedReader(new InputStreamReader(is));
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+ String str = "";
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+ while ((str = br.readLine()) != null){
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+ result += str;
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+ }
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+ System.out.println(result);
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+ //关闭流
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+ is.close();
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+ //断开连接,disconnect是在底层tcp socket链接空闲时才切断,如果正在被其他线程使用就不切断。
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+ conn.disconnect();
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+
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }finally {
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+ try {
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+ if (out != null){
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+ out.close();
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+ }
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+ if (br != null){
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+ br.close();
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 以get方式调用对方接口方法
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+ * @param pathUrl
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+ */
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+ public static String doGet(String pathUrl){
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+ BufferedReader br = null;
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+ String result = "";
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+ try {
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+ URL url = new URL(pathUrl);
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+
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+ //打开和url之间的连接
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+ HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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+
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+ //设定请求的方法为"GET",默认是GET
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+ //post与get的不同之处在于post的参数不是放在URL字串里面,而是放在http请求的正文内。
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+ conn.setRequestMethod("GET");
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+
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+ //设置30秒连接超时
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+ conn.setConnectTimeout(30000);
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+ //设置30秒读取超时
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+ conn.setReadTimeout(30000);
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+
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+ // 设置是否向httpUrlConnection输出,因为这个是post请求,参数要放在http正文内,因此需要设为true, 默认情况下是false;
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+ conn.setDoOutput(true);
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+ // 设置是否从httpUrlConnection读入,默认情况下是true;
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+ conn.setDoInput(true);
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+
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+ // Post请求不能使用缓存(get可以不使用)
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+ conn.setUseCaches(false);
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+
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+ //设置通用的请求属性
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+ conn.setRequestProperty("accept", "*/*");
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+ conn.setRequestProperty("connection", "Keep-Alive"); //维持长链接
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+ conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
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+
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+ //连接,从上述url.openConnection()至此的配置必须要在connect之前完成,
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+ conn.connect();
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+
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+ /**
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+ * 下面的代码相当于,获取调用第三方http接口后返回的结果
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+ */
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+ //获取URLConnection对象对应的输入流
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+ InputStream is = conn.getInputStream();
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+ //构造一个字符流缓存
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+ br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
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+ String str = "";
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+ while ((str = br.readLine()) != null){
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+ result += str;
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+ }
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+ System.out.println(result);
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+ //关闭流
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+ is.close();
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+ //断开连接,disconnect是在底层tcp socket链接空闲时才切断,如果正在被其他线程使用就不切断。
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+ conn.disconnect();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }finally {
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+ try {
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+ if (br != null){
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+ br.close();
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ return result;
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+ }
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+
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+
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+
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+
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+}
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